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Finding the Third Proportional to 1,800.50 and 3,935

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Solution

The third proportional to 1,800.50 and 3,935 is: 8,599.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,800.50 : 3,935 = 3,935 : x
  2. Step 2: Convert to fraction form
    1,800.50/3,935 = 3,935/x
  3. Step 3: Cross multiply
    1,800.50x = 3,935 × 3,935
  4. Step 4: Simplify right side
    1,800.50x = 15,484,225
  5. Step 5: Solve for x
    x = 15,484,225/1,800.50
  6. Step 6: Final answer
    x = 8,599.96

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.